Accident Beechcraft C50 N9674R,
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ASN Wikibase Occurrence # 364800
 
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Date:Wednesday 31 July 1991
Time:16:00 LT
Type:Silhouette image of generic BE50 model; specific model in this crash may look slightly different    
Beechcraft C50
Owner/operator:Private
Registration: N9674R
MSN: CH-201
Engine model:LYCOMING GO-480-F1A6
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Salem, OH -   United States of America
Phase: Approach
Nature:Private
Departure airport:North Benton, OH
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE TWIN ENGINE AIRPLANE WAS ON FINAL APPROACH AND THE PILOT NOTED THAT THE RIGHT ENGINE WOULD NOT GO BELOW HALF POWER. THE AIRPLANE WAS LANDED AND THE PILOT ELECTED TO ABORT. AFTER ROTATION, THE RIGHT ENGINE FAILED. THE PILOT RAISED THE LANDING GEAR AND ATTEMPETD TO FLY AROUND THE TRAFFIC PATTERN ON ONE ENGINE. THE RIGHT PROPELLER WOULD NOT FEATHER AND THE AIRPLANE WOULD NOT CLIMB. THE PILOT AVOIDED SEVERAL TREE LINES BEFORE DESCENDING GEAR UP INTO A FIELD OF CROPS AND SLID ONTO A ROAD. EXAMINATION OF THE AIRPLANE REVEALED THAT THE CASTLE NUT HAD BACKED OFF THE RIGHT ENGINE'S CARBURETOR AND THE LINKAGE DISCONNECTED. THERE WAS NO COTTER PIN INSTALLED.

Probable Cause: ENGINE FAILURE AS A RESULT OF IMPROPER MAINTENANCE AND FAILURE OF THE PROPELLER FEATHERING SYSTEM FOR AN UNDETERMINED REASON. FACTORS WERE AIRCRAFT POOR CLIMB PERFORMANCE AS RESULTED OF THE UNFEATHERED PROPELLER AND OBSTRUCTIONS WHICH PREVENTED A RETURN TO THE AIRPORT.

Accident investigation:
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Investigating agency: NTSB
Report number: NYC91LA195
Status: Investigation completed
Duration: 1 year and 9 months
Download report: Final report

Sources:

NTSB NYC91LA195

Location

Revision history:

Date/timeContributorUpdates
19-Mar-2024 18:58 ASN Update Bot Added

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